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+.. -*- coding: utf-8; mode: rst -*-
+
+.. _VIDEO_SET_FORMAT:
+
+================
+VIDEO_SET_FORMAT
+================
+
+Name
+----
+
+VIDEO_SET_FORMAT
+
+
+Synopsis
+--------
+
+.. cpp:function:: int ioctl(fd, int request = VIDEO_SET_FORMAT, video_format_t format)
+
+
+Arguments
+---------
+
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
+
+
+ - .. row 1
+
+ - int fd
+
+ - File descriptor returned by a previous call to open().
+
+ - .. row 2
+
+ - int request
+
+ - Equals VIDEO_SET_FORMAT for this command.
+
+ - .. row 3
+
+ - video_format_t format
+
+ - video format of TV as defined in section ??.
+
+
+Description
+-----------
+
+This ioctl sets the screen format (aspect ratio) of the connected output
+device (TV) so that the output of the decoder can be adjusted
+accordingly.
+
+
+Return Value
+------------
+
+On success 0 is returned, on error -1 and the ``errno`` variable is set
+appropriately. The generic error codes are described at the
+:ref:`Generic Error Codes <gen-errors>` chapter.
+
+
+
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
+
+
+ - .. row 1
+
+ - ``EINVAL``
+
+ - format is not a valid video format.